EP3981225A1 - Infrastructure d'éclairage à rfid intégrée - Google Patents

Infrastructure d'éclairage à rfid intégrée

Info

Publication number
EP3981225A1
EP3981225A1 EP20744222.9A EP20744222A EP3981225A1 EP 3981225 A1 EP3981225 A1 EP 3981225A1 EP 20744222 A EP20744222 A EP 20744222A EP 3981225 A1 EP3981225 A1 EP 3981225A1
Authority
EP
European Patent Office
Prior art keywords
luminaire
rfid
lighting
trunking system
lighting trunking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20744222.9A
Other languages
German (de)
English (en)
Inventor
Michail ANGELOV
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP3981225A1 publication Critical patent/EP3981225A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission

Definitions

  • the invention relates to a luminaire or lighting trunking system, preferably for indoor applications.
  • the invention further relates to a method for operating the luminaire or lighting trunking system, preferably to scan, collect, process in the edge and in the cloud various data structures derived from RFID tags.
  • Radio frequency identification (RFID) systems are currently the most widely used technology for tracking assets. The system is expensive on infrastructure but very cheap on tags.
  • RFID is used in different applications in order to provide unique identification codes related with a set of particular items. These items may comprise products in a store or pallets in a warehouse, persons in a race, pets, racehorses, farm animals, cars passing a tollbooth or entering a parking lot, etc .
  • each tag comprises a “chip” encoding digital identification data and an antenna that can communicate wirelessly to an RFID “reader.”
  • RFID tags are used, where the power necessary to receive a query and transmit identification data back to the reader is also provided via the wireless connection .
  • RFID systems have been implemented over a wide range of radio frequencies. Common embodiments exist using frequencies near 100 kHz, 10 MHz, and various UHF frequencies (100s of MHz to a few GHz) . The choice of the range of frequencies is dictated on the one hand by available radio bands not designated for other applications and on the other hand by the performance needs of particular applications. Most of production, logistics and retails systems make use of such tags.
  • the invention relates to a luminaire or lighting trunking system arranged in an environment, comprising a housing, at least one lighting module, a control unit configured to control the operation of the lighting module, and at least one RFID antenna, which is integrated in the luminaire or the lighting trunking system at a known location in the environment, wherein the at least one RFID antenna is configured to detect a signal, which is sent from an RFID tag that is located in the environment.
  • the luminaire or lighting trunking system further comprises an RFID controller, designed to process the signal detected by the at least one RFID antenna, wherein the RFID controller is further configured to send the processed signal to a remote unit, via a wireless or wire-bound communication interface of the luminaire or lighting trunking system, wherein the processed signal comprises information on the location of the RFID tag in the environment.
  • Luminaires and associated trunking systems are often installed at locations which are also suitable for RFID identification and tracking, for example distributed over the ceiling of a room, a warehouse or a retail environment.
  • the detection angle of the antenna may correspond to the area covered by the light emitted by the luminaire - thus the light cone can give a user a visualization of the RFID coverage area.
  • the direct line of sight from the tags towards the luminaires and associated trunking systems enables the integrated RFID antenna and preferably RFID reader to have an improved coverage and optimal propagation parameters, as compared to similar systems .
  • Lighting trunking systems are available in multiple industrial segments and are used for optimized and more efficient installation, modification and support of luminaires for certain application areas.
  • the lighting trunking system can be a LED linear trunking systems.
  • a LED linear trunking system is a continuous-row lighting assembly that utilizes trunking rails in order to integrate individual lighting fixtures which may include LED light modules, power supplies, lighting controls, and emergency battery packs.
  • the light trunking system can be a flexible trunking system, which can be configured in different ways in order to meet challenging demands for interior lighting in commercial and industrial buildings.
  • the RFID tag can be a component of the luminaire or lighting trunking system.
  • the RFID tag can be an external component that is separate from the luminaire or lighting trunking system.
  • the at least one RFID antenna is connected to a dedicated RFID reader of the luminaire or lighting trunking system, wherein the RFID reader is configured to read the signal that is received at the RFID antenna and to forward said signal to the RFID controller .
  • RFID reader is a device used to gather information from an RFID tag, which is used to track individual objects. Radio waves are used to transfer data from the tag to a reader.
  • the luminaire or lighting trunking system comprises one dedicated RFID reader for each RFID antenna.
  • the RFID antenna and the associated RFID reader can form an RFID gate, which can be integrated in the luminaire or lighting trunking system at a certain known location in the environment.
  • the location of the RFID gates are so called anchorpoints .
  • the luminaire or light trunking system comprises an RFID system for the UHF band, which is formed by the integrated RFID antenna and the RFID reader.
  • the RFID system can be configured to energize the RFID tags, collect the reflected signal via the RFID antenna, and send the radio parameters towards the RFID reader and/or the RFID controller, which decode the RFID tag information and exports the data towards an external system, such as the remote unit.
  • this RFID system is integrated in the lighting trunking system 100, which is the attachment point for the RFID antenna and reader, and provides the power for the RFID system as well as a data transmission backbone for transferring the signals and data between the units of the RFID system and the remote deivce, e.g. an edge computing device .
  • the typical benefits of integrating such an RFID system in a luminaire or lighting trunking system are: (i) a reduced time to install the RFID system. Mainly due to the integrated RFID antenna and reader, there is no need for installation of cables, which are required between a traditional antenna and reader, as well as due to a lack for associated planning and commissioning services; (ii) a reduced bill of materials for cables and connectors; (iii) reduced cost of labor for all professional services, and (iv) simplified RFID antenna and reader components due to the integration into one module.
  • the RFID controller is a controller separate to the control unit.
  • the RFID controller is designed to process signals detected by the RFID antenna in order to extract an RF ID of the RFID tag.
  • the RFID reader can be configured to extract the RF ID from the signal and forward said RF ID to the RFID controller .
  • the RFID controller is configured to send the RF ID to said remote unit .
  • the RFID controller is configured to extract the information on the location of the RFID tag in the environment based on the known location of the at least one RFID antenna and/or based on a signal strength of the detected signal.
  • This provides the advantage that a location of the RFID tag and the object carrying said tag can be determined efficiently. In this way, a real time tracking of objects carrying RFID tags in the environment can be realized.
  • the luminaire or lighting trunking system comprises a plurality of RFID antennas, wherein each antenna is located at a known location in the environment.
  • the signal sent by the RFID tag can be detected by two or more of the plurality of RFID antennas.
  • the RFID controller can receive the signal detected by each of the antennas and can determine the information on the location of the RFID tag based on the known location of said RFID antennas, which received the signal, and based on the signal strength of the signal detected by each of these RFID antennas using, for example, a triangulation algorithm.
  • the communication interface is a DALI interface, preferably of a DALI lines enabled data bus, a power line communication interface, an emulated Ethernet interface, a WiFi interface, or a RF wireless interface such as a Bluetooth or a Thread (61owpan) interface.
  • the luminaire or lighting trunking system can comprise electrical lines and a power line adapter that is connected to the power lines and the communication interface.
  • the power line adapter can be configured to demodulate data received from the electrical lines, e.g. the processed signal from the RFID controller, and to forward said data to the communication interface.
  • the at least one RFID antenna is integrated in the housing of the luminaire or lighting trunking system, or the lighting trunking system comprises a trunking rail, wherein the at least one RFID antenna is attached to the trunking rail.
  • the RFID antenna can be attached to a light fixture body of the luminaire.
  • the RFID antenna is configured to cover frequencies from 30 KHz to 300 KHz .
  • the RFID antenna is configured to cover frequencies from 3 to 30 MHz.
  • the RFID antenna is configured to cover frequencies from 300 MHz to 3 GHz .
  • the luminaire or lighting trunking system comprises at least one LED.
  • the lighting module comprises the LED or is connected to the LED.
  • the lighting module comprises an LED-driver.
  • the luminaire comprises integrated asset track technology.
  • the communication interface is further adapted to be used to control the luminaire or lighting trunking system, in particular to exchange signals in relation to the generation of light by the luminaire or lighting trunking system.
  • the communication interface is a dedicated communication interface of the RFID controller, which is not adapted to be used to control other functions of the luminaire or lighting trunking system.
  • the invention relates to a method for operating a luminaire or lighting trunking system arranged in an environment, in particular the luminaire or lighting trunking system according to the first aspect of the invention, comprising:
  • Fig. 1 shows a schematic of a luminaire or lighting trunking system according to an embodiment
  • Fig. 2 shows a schematic diagram of a lighting trunking system according to an embodiment
  • Fig. 3a shows an RFID system according to an embodiment
  • Fig. 3b shows the RFID system of Fig. 3a according to a further embodiment
  • Fig. 3c shows an RFID system according to an embodiment
  • Fig. 4 shows a schematic diagram of a luminaire or lighting trunking system according to an embodiment
  • Fig. 5 shows a method for operating a luminaire or lighting trunking system according to an embodiment.
  • LED luminaire shall mean a luminaire with a light source comprising one or more LEDs. LEDs are well-known in the art, and therefore, will only briefly be discussed to provide a complete description of the invention.
  • the aspect of the present invention might contain integrated circuits that are readily manufacturable using conventional semiconductor technologies, such as complementary metal-oxide semiconductor technology, short "CMOS".
  • CMOS complementary metal-oxide semiconductor technology
  • the aspects of the present invention may be implemented with other manufacturing processes for making optical as well as electrical devices.
  • Fig. 1 shows a schematic of a luminaire or lighting trunking system 100 arranged in an environment according to an embodiment .
  • the luminaire or lighting trunking system 100 comprises a housing 101, at least one lighting module 102, a control unit 103 configured to control the operation of the lighting module 102, and at least one RFID antenna 104, which is integrated in the luminaire or the lighting trunking system 100 at a known location in the environment, wherein the at least one RFID antenna 104 is configured to detect a signal, which is sent from an RFID tag that is located in the environment.
  • the luminaire or lighting trunking system 100 further comprises an RFID controller 105, which is configured to process the signal detected by the at least one RFID antenna 104, wherein the RFID controller 105 is further configured to send the processed signal to a remote unit, via a wireless or wire-bound communication interface of the luminaire or lighting trunking system 100, wherein the processed signal comprises information on the location of the RFID tag in the environment .
  • the RFID controller 105 can be a controller separate to the control unit 103 controlling the operation of the lighting module 102.
  • the luminaire or light trunking system 100 can comprise at least one LED.
  • the luminaire 100 is an LED luminaire .
  • the luminaire or light trunking system 100 can comprise a lighting control system, which is configured to provide common functions to the at least one LED, such as power supply, mechanical attachments and multipole conducting section.
  • the RFID technology integrated into the luminaire or lighting trunking systems 100 is capable of real time scanning of inventory. In this way, integrate asset tracking can be combined with basic light availability services .
  • the luminaire or lighting trunking system 100 provides the advantage of maintaining and supporting asset tracking within the environment, and offers simple integration to existing production, logistics and warehouse management systems .
  • the at least one RFID antenna 104 is connected to a dedicated RFID reader, wherein the RFID reader is configured to read the signal that is received at the RFID antenna 104 and to forward said signal to the RFID controller 105.
  • integrating the RFID antennas 104 and RFDI readers into the luminaire or lighting trunking system 100 allows for a better output power, sensitivity, and SW controllable low and normal gain functionalities of the antennas 104 and readers.
  • the data or signals detected by the RFID antenna 104 and/or reader can be forwarded to the RFID controller via a luminaire data network, via an additional data network enabled by the luminaire or lighting trunking system 100, or via a wireless communication link.
  • the signals can be forwarded via a power line communication link or a DALI link of the luminaire or lighting trunking system 100.
  • the luminaire or lighting trunking systems 100 provides the advantage of reducing overall costs, while improving business value. Moreover, the integrated RFID technology within the luminaire or lighting trunking system 100 allows for easy installation, commissioning and integration to other systems.
  • the luminaire or lighting trunking systems 100 provides the advantage of locating RFID tagged items in the environment, for example materials for a production process. In a production environment, this can speed up a production process .
  • the luminaire or lighting trunking systems 100 provides the advantage that a high transparency of assembly, production and manufacturing processes can be obtained.
  • the luminaire or lighting trunking system 100 ensures further that the right amount of parts or materials are provided in the correct locations in order to optimize the manufacturing process .
  • real time information on the flow of materials allowed by the luminaire or lighting trunking systems 100 brings the transparency needed to reduce dependency on warehouses and to send materials directly to their destinations, e.g. shops. This can speed up the production with a total track and trace of in-transit items.
  • Fig. 2 shows a schematic diagram of a lighting trunking system 100 according to an embodiment.
  • the lighting trunking system 100 comprises a plurality of RFID gates 201, wherein each RFID gate 201 comprises an RFID antenna 104 and an associated RFID reader. Further, the lighting trunking system 100 comprises light sources 205, such as LEDs, for illuminating the environment.
  • each RFID gate 201 is integrated in the lighting trunking system 100 at a certain known location in the environment.
  • the RFID gates 201 are, for example, attached to a trunking rail 202 or integrated in a housing of the lighting trunking system.
  • the RFID gates 201 are distributed evenly in the environment in order to cover an area as optimally as possible.
  • the RFID gates 201 can be configured to emit an UHF signal to power RFID tags 203 in the environment, for example in an area below the lighting trunking system 100.
  • each RFID gate 201 can power RFID tags 203 within its line of sight.
  • the range of the RFID gates 201 is circa 10 meters.
  • the RFID tags 203 can be attached to objects in the environment .
  • the RFID gates 201 can be configured to detect an RFID signal emitted by the energized RFID tags 203, and forward this signal to the RFID controller 105. Thereby, the RFID gates 201 can transmit further information, such as the detected signal strength or an identifier of the RFID gate, such that the RFID controller 105 can assign each detected signal to the detecting RFID gate 201.
  • the RFID controller 105 can be configured to extract an RF ID from the detected signal.
  • the RF ID can be an ID of the RFID tag 203 and can be used to identify the object equipped with the tag 203.
  • the RFID gate 201 can already extract the RF ID and forward said ID to the RFID controller 105.
  • the RFID controller 105 can be configured to receive signals from two or more RFID gates 201. If two or more RFID gates 201 detect the signal from the same RFID tag 203 and both gates 201 forward said signal to the RFID controller 105, than said RFID controller 105 can be configured to determine the location of the RFID tags 203 based on the known locations of the RFID gates 201, which detected the signal, and/or based on the signal strengths of the forwarded signals. To determine the location based on the signal strength of various forwarded signals, the RFID controller 105 can use a location algorithm, such as a triangulation algorithm.
  • a location algorithm such as a triangulation algorithm.
  • the signal detected by the RFID gate 201 in close proximity to the RFID tag 203 has a higher signal strength than the signal detected by another RFID gate 201 that is further away from the RFID tag 203. In combination with the known locations of the RFID gates 201, this allows to calculate a probable location of the RFID tag 203.
  • the RFID controller 105 can be configured to determine a received signal strength indicator (RSSI) of each signal .
  • RSSI received signal strength indicator
  • the RFID controller 105 can use edge processing and can be configured to forward the processed signal to the external device 106 via the communication interface and/or an API.
  • the external device 106 can be a cloud management system.
  • the cloud management system can be configured to manage multiple local systems and orchestrate locally exposed data to further external systems 207, for example, via a further API.
  • the further external system 207 can be a computer system that makes use of the detected information.
  • Fig. 3a shows an RFID system 200 according to an embodiment.
  • the RFID system 200 emits an UHF signal, via the RFID antenna 104. This UHF signal is received by an RFID tag 203.
  • the (typically) passive RFID tag 203 reflects a part of the signal back to the RFID antenna 104 and a connected reader.
  • the RFID antenna 104 captures the reflected signal .
  • the RFID reader forwards the captured signal to an RFID controller (not shown) which interprets the signal, especially in order to extract an RF ID modulated by the tag into the reflected signal, and sends the received data for further processing.
  • external (remote) systems such as business systems make use of the asset information.
  • the luminaire or light trunking system 100 shown in Fig. 1 comprises an RFID system 200 as shown in Fig. 3a.
  • the RFID system 200 can utilize the luminaire or lighting trunking systems location and power supply, and can, thus, be more efficient and easier to maintain during its lifetime .
  • Fig. 3b shows the RFID system 200 of Fig. 3a according to a further embodiment.
  • the RFID system 200 in particular the RFID antenna 104 and the RFID reader, are integrated in a lighting trunking system 100.
  • the RFID antenna 104 and the RFID reader form an RFID gate, which can be a single unit or module that is attached to the lighting trunking system 100, e.g. to a trunking rail.
  • the RFID gate that is attached to the lighting trunking system 100 is located at a known location in the environment .
  • Fig. 3c shows the RFID system 300 according to a further embodiment .
  • the RFID antenna of the system 300 can send an UHF signal to the RFID tag 203. Then, an RFID antenna 104 of the system 300 can detect the reflected signal and an RFID controller can interpret the signal and, finally, send the received data for further processing to a remote unit or system.
  • Fig. 4 shows a schematic diagram of the luminaire or lighting trunking system 100 according to a further embodiment.
  • Fig. 4 shows a luminaire or lighting trunking system 100 with an integrated RFID system.
  • the luminaire or lighting trunking systems 100 can comprises the RFID controller 105, which can be designed to process signals detected by the RFID antenna 104 and the RFID reader, e.g. to extract the RF ID sent from the RFID tag 203.
  • the RFID controller 105 can be designed to process signals detected by the RFID antenna 104 and the RFID reader, e.g. to extract the RF ID sent from the RFID tag 203.
  • the RFID antennas 104 and readers can be integrated in the housing 101 of the luminaire or lighting trunking systems 100 at certain known locations in the environment. Each pair of RFID antenna 104 and dedicated RFID reader can form an RFID gate .
  • the RFID controller 105 and/or the RFID gate 201 can send the RF ID to the remote unit such as the cloud platform.
  • the communication link used for forwarding signals between the RFID gate 201 and the RFID controller 105 can be a DALI based data bus or wireless (RF) technology, as shown in Fig. 4.
  • the luminaire can comprise a wireless or wire- bound interface.
  • the RFDI controller 105 can in turn communicate with the remote unit 106, such as a Cloud Management system via an IP based interface, e.g. using a web service.
  • the RFID controller 105 can also communicate with additional external services via the IP based interface and web service further using pre defined application programing interfaces (API) .
  • API application programing interfaces
  • the communication sent by the RFID controller 105 may be sent via a communication link/interface, which is also used for controlling the luminaire or lighting trunking system 100, for example for the exchange of signals in relation to the light generation.
  • the communication forwarded by the RFID controller 105 may alternatively be sent via a dedicated communication link/interface, which is not used for the control of the luminaire or lighting trunking system 100.
  • Fig. 5 shows a method 500 for operating a luminaire or lighting trunking system 100 according to an embodiment.
  • the luminaire or lighting trunking system 100 is arranged in an environment.
  • the method 500 comprises the following steps:
  • the processed signals to a remote unit, via a wireless or wire-bound communication link, wherein the processed signal comprises information on the location of the RFID tag in the environment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un luminaire ou des systèmes de goulotte pour l'éclairage (100) situés dans un environnement, comprenant un boîtier (101), au moins un module d'éclairage (102), une unité de commande (103) configurée pour commander le fonctionnement du module d'éclairage (102), au moins une antenne RFID (104) intégrée au luminaire ou au système de goulotte pour l'éclairage à un emplacement connu dans l'environnement, ladite au moins une antenne RFID (104) étant configurée pour détecter un signal, qui est envoyé à partir d'une étiquette RFID (203) située dans l'environnement, ainsi qu'un dispositif de commande RFID (105) conçu pour traiter les signaux détectés par ladite au moins une antenne RFID (104) ; le dispositif de commande RFID (105) étant en outre configuré pour envoyer les signaux traités et des informations sur l'emplacement de l'étiquette RFID (203) dans l'environnement à une unité à distance, par l'intermédiaire d'une interface de communication filaire ou sans fil du luminaire ou des systèmes de goulotte pour l'éclairage (100).
EP20744222.9A 2019-07-31 2020-07-30 Infrastructure d'éclairage à rfid intégrée Pending EP3981225A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19189352.8A EP3772238A1 (fr) 2019-07-31 2019-07-31 Luminaire
PCT/EP2020/071522 WO2021019021A1 (fr) 2019-07-31 2020-07-30 Infrastructure d'éclairage à rfid intégrée

Publications (1)

Publication Number Publication Date
EP3981225A1 true EP3981225A1 (fr) 2022-04-13

Family

ID=67514389

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19189352.8A Withdrawn EP3772238A1 (fr) 2019-07-31 2019-07-31 Luminaire
EP20744222.9A Pending EP3981225A1 (fr) 2019-07-31 2020-07-30 Infrastructure d'éclairage à rfid intégrée

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19189352.8A Withdrawn EP3772238A1 (fr) 2019-07-31 2019-07-31 Luminaire

Country Status (2)

Country Link
EP (2) EP3772238A1 (fr)
WO (1) WO2021019021A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4270644A1 (fr) * 2022-04-29 2023-11-01 Zumtobel Lighting GmbH Système d'éclairage comprenant un rail de montage avec un guide d'onde intégré

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101513127B (zh) * 2006-09-06 2014-04-09 皇家飞利浦电子股份有限公司 照明控制
US8872627B2 (en) * 2010-02-12 2014-10-28 Biotillion, Llc Tracking biological and other samples using RFID tags
US8381981B2 (en) * 2010-05-03 2013-02-26 Redwood Systems, Inc. Radio frequency identification of lighting fixtures
EP3286990B1 (fr) * 2015-04-20 2019-09-25 John Armstrong Ensemble radio logicielle et rfid à lumière de combinaison pour remplacer l'éclairage standard ou existant par un éclairage activé par rfid
CN107493630A (zh) * 2017-08-25 2017-12-19 浙江晶日照明科技有限公司 一种基于rfid的灯具快速配置系统及方法
US10346657B1 (en) * 2018-01-10 2019-07-09 Abl Ip Holding Llc RFID system with antenna integrated in a luminaire

Also Published As

Publication number Publication date
WO2021019021A1 (fr) 2021-02-04
EP3772238A1 (fr) 2021-02-03

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